Place Asterisks at All the Chirality Centers in Each Molecule

question 21

Multiple Choice

Place asterisks at all the chirality centers in each molecule below.
-The following atoms are commonly encountered in organic molecules. For which is it not possible to isolate enantiomers due to rapid inversion?

• A) trivalent phosphorus
• B) trivalent nitrogen
• C) divalent sulfur
• D) trivalent sulfur
• E) both b and c

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Definitions:

Proteins

Large, complex molecules that play many critical roles in the body, including as enzymes, hormones, and antibodies.

Cecum

A pouch connected to the junction of the small and large intestines, playing a role in the digestive system.

Lymphoid Tissue

Part of the immune system made up of a network of lymphocytes (white blood cells) that protect the body from infections and diseases.

Immunity

The body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells.